package com.spring.provideronetest.config;

/**
 * @auther zhangxiangtao
 * @date 2021/1/3
 */

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Charsets;
import com.google.common.hash.Funnel;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import java.lang.reflect.Method;
@Configuration
@EnableCaching
@RefreshScope
public class RedisConfig extends CachingConfigurerSupport{
	@Value("${spring.redis.host}")
	private String host;
	@Value("${spring.redis.port}")
	private int port;
	@Value("${spring.redis.timeout}")
	private int timeout;
	@Value("${spring.redis.password}")
	private String password;
	@Value("${spring.redis.pool.max-active}")
	private int maxActive;
	@Value("${spring.redis.pool.max-wait}")
	private int maxWait;
	@Value("${spring.redis.pool.max-idle}")
	private int maxIdle;
	@Value("${spring.redis.pool.min-idle}")
	private int minIdle;

	@RefreshScope
	@Bean
	public KeyGenerator wiselyKeyGenerator(){
		return new KeyGenerator() {
			@Override
			public Object generate(Object target, Method method, Object... params) {
				StringBuilder sb = new StringBuilder();
				sb.append(target.getClass().getName());
				sb.append(method.getName());
				for (Object obj : params) {
					sb.append(obj.toString());
				}
				return sb.toString();
			}
		};
	}

	@RefreshScope
	@Bean
	public JedisConnectionFactory redisConnectionFactory() {
		JedisConnectionFactory factory = new JedisConnectionFactory();
		factory.setHostName(host);
		factory.setPort(port);
		factory.setTimeout(timeout); //设置连接超时时间
		factory.setPassword(password);

		factory.getPoolConfig().setMaxIdle(maxIdle);
		factory.getPoolConfig().setMinIdle(minIdle);
		factory.getPoolConfig().setMaxTotal(maxActive);
		factory.getPoolConfig().setMaxWaitMillis(maxWait);
		return factory;
	}

//	@RefreshScope
//	@Bean
//	public CacheManager cacheManager(RedisTemplate redisTemplate) {
//		RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
//		// Number of seconds before expiration. Defaults to unlimited (0)
//		cacheManager.setDefaultExpiration(10); //设置key-value超时时间
//		return cacheManager;
//	}

	@RefreshScope
	@Bean
	public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
		StringRedisTemplate template = new StringRedisTemplate(factory);
		setSerializer(template); //设置序列化工具，这样ReportBean不需要实现Serializable接口
		template.afterPropertiesSet();
		return template;
	}

	@RefreshScope
	private void setSerializer(StringRedisTemplate template) {
		Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setValueSerializer(jackson2JsonRedisSerializer);
	}



//	@Bean
//	public StringRedisTemplate stringRedisTemplate(RedisConnectionFactory factory) {
//		StringRedisTemplate stringRedisTemplate = new StringRedisTemplate();
//		stringRedisTemplate.setConnectionFactory(factory);
//		return stringRedisTemplate;
//	}



	//初始化布隆过滤器，放入到spring容器里面
	@Bean
	public BloomFilterHelper<String> initBloomFilterHelper() {
		return new BloomFilterHelper<>((Funnel<String>) (from, into) -> into.putString(from, Charsets.UTF_8).putString(from, Charsets.UTF_8), 1000000, 0.01);
	}


}

